/// <summary>
/// Decodes the instruction stream of the reader and populates the compiler.
/// </summary>
/// <param name="compiler">The compiler to populate.</param>
/// <exception cref="InvalidMetadataException"></exception>
private void Decode(BaseMethodCompiler compiler)
{
// Create context
Context context = new Context(InstructionSet);
// Prefix instruction
bool prefix = false;
for (int i = 0; i < MethodCompiler.Method.Code.Count; i++)
{
MosaInstruction instr = MethodCompiler.Method.Code[i];
var op = (OpCode)instr.OpCode;
BaseCILInstruction instruction = CILInstruction.Get(op);
if (instruction == null)
{
throw new InvalidMetadataException();
}
// Create and initialize the corresponding instruction
context.AppendInstruction(instruction);
context.Label = instr.Offset;
context.HasPrefix = prefix;
this.instruction = instr;
instruction.Decode(context, this);
Debug.Assert(context.Instruction != null);
prefix = (instruction is PrefixInstruction);
}
}
